class UserNotFound(Exception):
    """Raised when provided user not found in database"""
    pass


class BookingNotFound(Exception):
    """Raised when provided booking not found in database"""
    pass


class InvalidParameterFormat(Exception):
    """Raised when provided invalid data format to function"""
    pass


class InvalidResultFormat(Exception):
    """Raised when function returned invalid data format"""
    pass


class InvalidPassword(Exception):
    """Raised when passwords hash don't match"""
    pass
